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Problem during replacing element from one schema to another schema using DOM [message #231263] Wed, 13 May 2009 07:16
Bhuvan Mehta is currently offline Bhuvan MehtaFriend
Messages: 38
Registered: July 2009
Member
Hello,

I am trying to replace an element from one schema(source) to another
schema(target) schema using DOM APIs as below :
and the replacement is not happening properly.

------------------------------------------------------------ --
TestContentCopy.java
------------------------------------------------------------ --
package test.schema;

import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.xsd.XSDDiagnostic;
import org.eclipse.xsd.XSDElementDeclaration;
import org.eclipse.xsd.XSDSchema;
import org.eclipse.xsd.util.XSDResourceImpl;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class TestContentCopy implements IObjectActionDelegate {

public void setActivePart(IAction action, IWorkbenchPart targetPart) {
}

public void run(IAction action) {

String sourceLoc = "C:\\test1.xsd";
String targetLoc = "C:\\test2.xsd";

File file1 = new File(sourceLoc);
File file2 = new File(targetLoc);

final ResourceSet resourceSet = new ResourceSetImpl();
final Resource res1 =
resourceSet.getResource(URI.createURI(file1.toURI().toString ()), true);
final Resource res2 =
resourceSet.getResource(URI.createURI(file2.toURI().toString ()), true);

XSDSchema sourceSchema = ((XSDResourceImpl) res1).getSchema();
XSDSchema targetSchema = ((XSDResourceImpl) res2).getSchema();

XSDElementDeclaration srcComponent =
sourceSchema.getElementDeclarations().get(0);
XSDElementDeclaration oldComponent =
targetSchema.getElementDeclarations().get(0);

Element element = srcComponent.getElement();
if (element != null) {
final Node newComponent =
targetSchema.getDocument().importNode(srcComponent.getElemen t(), true);
targetSchema.getElement().replaceChild(newComponent,
oldComponent.getElement());
targetSchema.getDocument().normalizeDocument();
}

targetSchema.validate();
final Collection<XSDDiagnostic> diag = targetSchema.getAllDiagnostics();
if (diag != null && !diag.isEmpty()) {
for (final XSDDiagnostic dia : diag) {
System.out.println(dia.getMessage());
}
}
Resource resource = targetSchema.eResource();
try {
resource.save(Collections.EMPTY_MAP);
} catch (IOException e) {
e.printStackTrace();
}
}

public void selectionChanged(IAction action, ISelection selection) {
}

}
------------------------------------------------------------ --
Test1.xsd
------------------------------------------------------------ --
<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.example.org/test1"
xmlns:tns1="http://www.example.org/test1" elementFormDefault="qualified">

<element name="ele1" type="tns1:simple1" nillable="true"/>

<simpleType name="simple1">
<union memberTypes="int">
<annotation>
<documentation>
SimpleType.
</documentation>
</annotation>
</union>
</simpleType>

</schema>
------------------------------------------------------------ --
Test2.xsd
------------------------------------------------------------ --
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:tns="http://www.example.org/test1"
elementFormDefault="qualified"
targetNamespace="http://www.example.org/test1">

<element name="ele1" type="tns:simple1" />

<simpleType name="simple1">
<union memberTypes="int">
<annotation>
<documentation>
SimpleType.
</documentation>
</annotation>
</union>
</simpleType>

</schema>

------------------------------------------------------------ -------
Test2.xsd (After Code execution)
------------------------------------------------------------ -------
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:tns="http://www.example.org/test1" elementFormDefault="qualified"
targetNamespace="http://www.example.org/test1">

<element name="ele1" nillable="true" type="tns1:simple1"/>

<simpleType name="simple1">
<union memberTypes="int">
<annotation>
<documentation>
SimpleType.
</documentation>
</annotation>
</union>
</simpleType>

</schema>

------------------------------------------------------------ ------
Validation falis with below message
------------------------------------------------------------ ------
XSD: Type reference 'tns1#simple1' is unresolved, which is true as
replacechild() method should have defined "tns1" in element ?

Am i doing something wrong or is there any other way to do this.

--
Thanks and Regards,
Bhuvan Mehta
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